Home / 38,302.83-57,454.28-12,009.63

Finding the Fourth Proportional to 38,302.83, 57,454.28 and 12,009.63

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Solution

The fourth proportional to 38,302.83, 57,454.28 and 12,009.63 is: 18,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,302.83 : 57,454.28 = 12,009.63 : x
  2. Step 2: Convert to fraction form
    38,302.83/57,454.28 = 12,009.63/x
  3. Step 3: Cross multiply
    38,302.83x = 57,454.28 × 12,009.63
  4. Step 4: Simplify right side
    38,302.83x = 690,004,584.67
  5. Step 5: Solve for x
    x = 690,004,584.67/38,302.83
  6. Step 6: Final answer
    x = 18,014.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.